USN-8493-1

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

• RISC-V architecture;
• Cryptographic API;
• InfiniBand drivers;
• IOMMU subsystem;
• Network drivers;
• STMicroelectronics network drivers;
• NVME drivers;
• x86 platform drivers;
• SCSI subsystem;
• SPI subsystem;
• TCM subsystem;
• USB over IP driver;
• File systems infrastructure;
• HFS+ file system;
• Network file system (NFS) server daemon;
• SMB network file system;
• IPv6 networking;
• Tracing infrastructure;
• Timer subsystem;
• B.A.T.M.A.N. meshing protocol;
• Bluetooth subsystem;
• Ethernet bridge;
• Ceph Core library;
• IPv4 networking;
• MAC80211 subsystem;
• Multipath TCP;
• Netfilter;
• RxRPC session sockets;
• SMC sockets;
• Sun RPC protocol;
• X.25 network layer;
• AMD SoC Alsa drivers;
• KVM subsystem; (CVE-2022-48816, CVE-2023-53673, CVE-2025-37778, CVE-2025-37822, CVE-2025-37924, CVE-2025-38201, CVE-2025-40082, CVE-2025-68214, CVE-2025-68263, CVE-2025-71089, CVE-2025-71220, CVE-2025-71222, CVE-2025-71224, CVE-2026-23176, CVE-2026-23180, CVE-2026-23182, CVE-2026-23190, CVE-2026-23193, CVE-2026-23198, CVE-2026-23202, CVE-2026-23206, CVE-2026-23216, CVE-2026-23256, CVE-2026-23257, CVE-2026-23258, CVE-2026-23262, CVE-2026-23272, CVE-2026-23278, CVE-2026-23428, CVE-2026-23450, CVE-2026-23455, CVE-2026-31402, CVE-2026-31418, CVE-2026-31478, CVE-2026-31607, CVE-2026-31637, CVE-2026-31649, CVE-2026-31657, CVE-2026-31659, CVE-2026-31668, CVE-2026-31669, CVE-2026-31682, CVE-2026-31685, CVE-2026-43011, CVE-2026-43037, CVE-2026-43038, CVE-2026-43071, CVE-2026-43114, CVE-2026-43117, CVE-2026-43186, CVE-2026-43304, CVE-2026-43341, CVE-2026-43383, CVE-2026-43406, CVE-2026-43407, CVE-2026-43414, CVE-2026-43493, CVE-2026-43501, CVE-2026-45988, CVE-2026-46043, CVE-2026-46119, CVE-2026-46135, CVE-2026-46195,...